public static BackgroundParseTask StartNew(RazorTemplateEngine engine, string sourceFileName, TextChange change)
{
BackgroundParseTask task = new BackgroundParseTask(engine, sourceFileName, change);
task.Start();
return(task);
}
public static BackgroundParseTask StartNew(RazorTemplateEngine engine, string sourceFileName, TextChange change)
{
BackgroundParseTask task = new BackgroundParseTask(engine, sourceFileName, change);
task.Start();
return task;
}
private void OnParseCompleted(GeneratorResults results, BackgroundParseTask parseTask)
{
try
{
// Lock the state objects
bool treeStructureChanged = true;
TextChange lastChange;
lock (_lock)
{
// Are we still active?
if (_outstandingParserTasks.Count == 0 || !ReferenceEquals(parseTask, _outstandingParserTasks.Peek()))
{
// We aren't, just abort
return;
}
// Ok, we're active. Flush out the changes from all the parser tasks and clear the stack of outstanding parse tasks
TextChange[] changes = _outstandingParserTasks.Select(t => t.Change).Reverse().ToArray();
lastChange = changes.Last();
_outstandingParserTasks.Clear();
// Take the current tree and check for differences
treeStructureChanged = CurrentParseTree == null || TreesAreDifferent(CurrentParseTree, results.Document, changes);
CurrentParseTree = results.Document;
#if DEBUG
_currentCompileUnit = results.GeneratedCode;
#endif
_lastChangeOwner = null;
}
// Done, now exit the lock and fire the event
OnDocumentParseComplete(new DocumentParseCompleteEventArgs()
{
GeneratorResults = results,
SourceChange = lastChange,
TreeStructureChanged = treeStructureChanged
});
}
finally
{
parseTask.Dispose();
}
}